On Wednesday, baby rumors started swirling about ?Real Housewives of Atlanta? star Kim Zolciak, thanks to her daughter Brielle Biermann! i?m so excited my mom is PREGNANT with baby number 7!!!!? i can?t wait to meet the little nugget. it?s been so hard keeping this a secret!!! Zolciak took to Snapchat to shut down the rumors, insisting, ?Brielle?s lying! TMZ reports that Brielle pulled the prank in retaliation for her mom?s decision to post a video of the 20-year-old flashing her breast on Snapchat.